Honey Cat and Reflect Moon decide to hold a welcome back party for Aine and Mio. Unfortunately, Maika and Ema are unable to help with preparations due to their work schedule so Sakuya and Kaguya decide to handle it on their own. Luckily Mirai and Karen arrive home early and Mirai lends Wakaba to lend a hand. But things don't go as smoothly as the idols would like.